Product description: Thermal Mug Nevio, Silver. The cool, tough stainless-steel buddy for drinks “to go” at school, work, and on the road. Its double-walled insulation keeps tea or coffee hot for up to 4 hours and water or juice refreshingly cold for up to 8 hours. With a practical push-button closure and 100% leak-proof. Easy to open/close by pressing the button on the lid Practical 360° sipping lid Double-walled keeps drinks both hot and cold 100% leak-proof The lid can be taken apart for easy cleaning Filling volume: 400 ml Ø 7,5 cm, h 20,0 cm High-grade stainless steel/plastic. Dishwasher safe Re-usable for added value. The longer you can use a product, the better it is for the environment. Gefu deliberately chooses durable, reusable products that help to avoid plastic waste and save valuable resources of raw materials and energy. As they last so long, there is no need to keep on buying environmentally harmful disposable products – kind to nature, kind on your pocket.